<?php

/**
 * Field handler to translate a node type into its readable form.
 */
class views_handler_field_node_type extends views_handler_field_node {

    function option_definition() {
        $options = parent::option_definition();
        $options['machine_name'] = array('default' => FALSE);

        return $options;
    }

    /**
     * Provide machine_name option for to node type display.
     */
    function options_form(&$form, &$form_state) {
        parent::options_form($form, $form_state);
        $form['machine_name'] = array(
            '#title' => t('Output machine name'),
            '#description' => t('Display field as the node type machine name.'),
            '#type' => 'checkbox',
            '#default_value' => !empty($this->options['machine_name']),
        );
    }

    /**
     * Render node type as human readable name, unless using machine_name option.
     */
    function render_name($data, $values) {
        if ($this->options['machine_name'] != 1 && $data !== NULL && $data !== '') {
            return t(check_plain(node_get_types('name', $data)));
        }
        return check_plain($data);
    }

    function render($values) {
        return $this->render_link($this->render_name($values->{$this->field_alias}, $values), $values);
    }

}

